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Finding the Fourth Proportional to 71,934.96, 99,216.96 and 47,692.08

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Solution

The fourth proportional to 71,934.96, 99,216.96 and 47,692.08 is: 65,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934.96 : 99,216.96 = 47,692.08 : x
  2. Step 2: Convert to fraction form
    71,934.96/99,216.96 = 47,692.08/x
  3. Step 3: Cross multiply
    71,934.96x = 99,216.96 × 47,692.08
  4. Step 4: Simplify right side
    71,934.96x = 4,731,863,193.68
  5. Step 5: Solve for x
    x = 4,731,863,193.68/71,934.96
  6. Step 6: Final answer
    x = 65,779.74

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